Analysis
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max time kernel
118s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14-05-2024 13:28
Static task
static1
Behavioral task
behavioral1
Sample
documents_24.5.13YTKargo.pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
documents_24.5.13YTKargo.pdf.exe
Resource
win10v2004-20240508-en
General
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Target
documents_24.5.13YTKargo.pdf.exe
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Size
588KB
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MD5
7f9adfa5c6ddb5471f7b391d037252b2
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SHA1
122645622b73002a2d8b8215d6573ab22523a0e2
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SHA256
f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4
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SHA512
5f8b6565006dd61e11da209aa1103ca4987bd397a19da5b38a782f61d7bae13c244a4ba2de78982803b764bdd45a831de382da61bbbf3c3ade4d307675a21ad8
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SSDEEP
12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.ustunambalaj.com.tr - Port:
587 - Username:
[email protected] - Password:
!ttPkj773Ebc - Email To:
[email protected]
https://scratchdreams.tk
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2572-30-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2572-29-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2572-28-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2572-25-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2572-23-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 2140 powershell.exe 2700 powershell.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
documents_24.5.13YTKargo.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 documents_24.5.13YTKargo.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 documents_24.5.13YTKargo.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 documents_24.5.13YTKargo.pdf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
documents_24.5.13YTKargo.pdf.exedescription pid process target process PID 2868 set thread context of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
documents_24.5.13YTKargo.pdf.exedocuments_24.5.13YTKargo.pdf.exepowershell.exepowershell.exepid process 2868 documents_24.5.13YTKargo.pdf.exe 2868 documents_24.5.13YTKargo.pdf.exe 2572 documents_24.5.13YTKargo.pdf.exe 2140 powershell.exe 2700 powershell.exe 2572 documents_24.5.13YTKargo.pdf.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
documents_24.5.13YTKargo.pdf.exedocuments_24.5.13YTKargo.pdf.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2868 documents_24.5.13YTKargo.pdf.exe Token: SeDebugPrivilege 2572 documents_24.5.13YTKargo.pdf.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
documents_24.5.13YTKargo.pdf.exedescription pid process target process PID 2868 wrote to memory of 2140 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2140 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2140 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2140 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2700 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2700 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2700 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2700 2868 documents_24.5.13YTKargo.pdf.exe powershell.exe PID 2868 wrote to memory of 2616 2868 documents_24.5.13YTKargo.pdf.exe schtasks.exe PID 2868 wrote to memory of 2616 2868 documents_24.5.13YTKargo.pdf.exe schtasks.exe PID 2868 wrote to memory of 2616 2868 documents_24.5.13YTKargo.pdf.exe schtasks.exe PID 2868 wrote to memory of 2616 2868 documents_24.5.13YTKargo.pdf.exe schtasks.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe PID 2868 wrote to memory of 2572 2868 documents_24.5.13YTKargo.pdf.exe documents_24.5.13YTKargo.pdf.exe -
outlook_office_path 1 IoCs
Processes:
documents_24.5.13YTKargo.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 documents_24.5.13YTKargo.pdf.exe -
outlook_win_path 1 IoCs
Processes:
documents_24.5.13YTKargo.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 documents_24.5.13YTKargo.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EDqfTdWmvf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2700 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDqfTdWmvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp401C.tmp"2⤵
- Creates scheduled task(s)
PID:2616 -
C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD51395777dd58e8861ba4e3c73b77463ef
SHA11b57fe255783fe0734685b5be08ca2400a0f86f3
SHA256b6c3e0d890a6b3fdb0e1c4d2cb95864e9454b00500facdfdc1e5000c5babf1fa
SHA5121f162821efe15a8e5171fe6d13e01c3b100bf93ac7b520de62af75e6a4145b608d26b4712c405d2e950c82d1f47f0b350e813080cf7a7704d13fbb41837c4315
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\428F9XOXGXRGH7QK7PFB.temp
Filesize7KB
MD542bfae9fb7344de99c7963ef1fbcb645
SHA1b3c09b6bfc0ea1a3fa391e4fc6c28d8f29fb5a6e
SHA2567ce52239462e00bafaae4ae9c3aadfed991dc25e5cea34f9fc31d5a1f2aea921
SHA512cf3746d58518f7a6d2c06d7f6abc9681e1fc65278d6a4c4450cb960b191c48e24a18164f016a63d0178c2a248f0c8e66cb6cdb08b2752f8994a5010fc6bcd9f4